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SEGMENT INFORMATION (Details)
12 Months Ended
Dec. 31, 2018
USD ($)
segment
Dec. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
Segment information by geographical area      
Number of business segments | segment 1    
Revenue $ 1,749,133 $ 5,389,014 $ 9,512,796
Europe      
Segment information by geographical area      
Revenue 1,600,633 466,471 4,832,977
Rest of the world      
Segment information by geographical area      
Revenue $ 148,500 4,393,303 4,251,260
United States      
Segment information by geographical area      
Revenue   $ 529,240 $ 428,559
Major customer one      
Segment information by geographical area      
Percentage of entity's revenue 28.00% 57.00% 36.00%
Major customer two      
Segment information by geographical area      
Percentage of entity's revenue 9.00% 9.00% 32.00%
Major customer three      
Segment information by geographical area      
Percentage of entity's revenue 9.00% 6.00% 15.00%